Whakatairanga 13mm Mekameka Whakaara Pango Mekameka Whakaara
Whakatairanga 13mm Mekameka Whakaara Pango Mekameka Whakaara
Kāwai
Tono
Ngā Hua e Pā Ana
Tawhā mekameka
I runga i te hangarau whakaputa mekameka hiki SCIC G80 me te G100, ka whakawhānuihia e mātou tā mātou raina hua ki te mekameka hiki ātete pai Grade T (Momo T, DAT me te DT), hei whakamahi i roto i ngā mekameka hiki raupapa ā-ringa me te hiko.
Pikitia 1: mekameka hiki / hononga
Kī
| 1 | Whakawhitihia te rārangi pokapū o te hononga | l | ko te roa o te pikinga maha |
| p | ko te papa | dm | ko te diameter rauemi e ai ki te ine |
| ds | ko te diameter o te whakarewa | e | ka pāngia te roa e te whakarewatanga |
| w3 | ko te whānui ā-roto i te hononga whakarewa | w2 | ko te whānui o waho i runga i te whakarewa |
Ripanga 1: ngā rahi o te mekameka hiki/hononga (mm)
| Nominal size dn | Material diammutunga koretolerance | Pitch | Wite rā | Gaugelengthof 11xpn | Wmara diammutunga kore ds max. | |||
| pn | tolerance1) | intermutunga w3 min. | external w2 max. | l | tolerance1) | |||
| 4 | ±0.2 | 12 | 0.25 | 4.8 | 13.6 | 132 | 0.6 | 4.3 |
| 5 | ±0.2 | 15 | 0.3 | 6.0 | 17.0 | 165 | 0.8 | 5.4 |
| 6 | ±0.2 | 18 | 0.35 | 7.2 | 20.4 | 198 | 1.0 | 6.5 |
| 7 | ±0.3 | 21 | 0.4 | 8.4 | 23.8 | 231 | 1.1 | 7.6 |
| 8 | ±0.3 | 24 | 0.5 | 9.6 | 27.2 | 264 | 1.3 | 8.6 |
| 9 | ±0.4 | 27 | 0.5 | 10.8 | 30.6 | 297 | 1.4 | 9.7 |
| 10 | ±0.4 | 30 | 0.6 | 12.0 | 34.0 | 330 | 1.6 | 10.8 |
| 11 | ±0.4 | 33 | 0.6 | 13.2 | 37.4 | 363 | 1.7 | 11.9 |
| 12 | ±0.5 | 36 | 0.7 | 14.4 | 40.8 | 396 | 1.9 | 13.0 |
| 13 | ±0.5 | 39 | 0.8 | 15.6 | 44.2 | 429 | 2.1 | 14.0 |
| 14 | ±0.6 | 42 | 0.8 | 16.8 | 47.6 | 462 | 2.2 | 15.1 |
| 16 | ±0.6 | 48 | 0.9 | 19.2 | 54.4 | 528 | 2.5 | 17.3 |
| 18 | ±0.9 | 54 | 1.0 | 21.6 | 61.2 | 594 | 2.9 | 19.4 |
| 20 | ±1.0 | 60 | 1.2 | 24.0 | 68.0 | 660 | 3.2 | 21.6 |
| 22 | ±1.1 | 66 | 1.3 | 26.4 | 74.8 | 726 | 3.5 | 23.8 |
| 1)Thesetolerancengāareusualltaudividētitaintā+2/3and–1/3forbotetiaindividuallinkandthestandarrāgaugelength. | ||||||||
Ripanga 2: te herenga kawenga mahi mekameka hiki (WLL)
| Nominal size dn mm | Chain type T t | Chain type DAT t | Chain type DT t |
| 4 5 6 | 0.5 0.8 1.1 | 0.4 0.63 0.9 | 0.25 0.4 0.56 |
| 7 8 9 | 1.5 2 2.5 | 1.2 1.6 2 | 0.75 1 1.25 |
| 10 11 12 | 3.2 3.8 4.5 | 2.5 3 3.6 | 1.6 1.9 2.2 |
| 13 14 16 | 5.3 6 8 | 4.2 5 6.3 | 2.6 3 4 |
| 18 20 22 | 10 12.5 15 | 8 10 12.5 | 5 6.3 7.5 |
| mean stress N/mm2 | 200 | 160 | 100 |
Ripanga 3: ngā kaha ātete hanga mekameka hiki me ngā kaha pakaru
| Nominal size dn mm | Manufacturing proof force (MPF) kN mi roto i | Breaking force (BF) kN mi roto i |
| 4 | 12.6 | 20.1 |
| 5 | 19.6 | 31.4 |
| 6 | 28.3 | 45.2 |
| 7 | 38.5 | 61.6 |
| 8 | 50.3 | 80.4 |
| 9 | 63.6 | 102 |
| 10 | 78.5 | 126 |
| 11 | 95 | 152 |
| 12 | 113 | 181 |
| 13 | 133 | 212 |
| 14 | 154 | 246 |
| 16 | 201 | 322 |
| 18 | 254 | 407 |
| 20 | 314 | 503 |
| 22 | 380 | 608 |
Ripanga 4: te roanga mutunga katoa me te mārō o te mata
|
| hokist chain typēhi | ||
| T | DAT | DT | |
| Tōtal tinoimate whakaroan He%min | 10 | 10 | 5 |
| Surface harrās min dn < 7 mm, HV 5 dn = 7 mm to 11 mm, HV 10 dn > 11 mm, HV 10 |
360 360 360 |
500 500 450 |
550 550 500 |
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